CBSE Class 11-science Answered
sir/mam i request u to plz answer this question as soon as possible
Asked by | 28 Jul, 2008, 01:53: PM
Expert Answer
use the formula v2=u2+2as , put the value v=0 ,u=126km/hr( convert to m/sec than put in the formula) ,s=200 this will give you retardation
now use the formula s=ut + at2/2 , put the values of s,u,a and solve the equation to find time.
Answered by | 28 Jul, 2008, 08:50: PM
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